US9216770B2 - Motor vehicle including an upper firewall crossbeam - Google Patents
Motor vehicle including an upper firewall crossbeam Download PDFInfo
- Publication number
- US9216770B2 US9216770B2 US14/362,012 US201214362012A US9216770B2 US 9216770 B2 US9216770 B2 US 9216770B2 US 201214362012 A US201214362012 A US 201214362012A US 9216770 B2 US9216770 B2 US 9216770B2
- Authority
- US
- United States
- Prior art keywords
- crossbeam
- vehicle
- motor vehicle
- wall
- firewall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005192 partition Methods 0.000 claims description 46
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/081—Cowls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/14—Dashboards as superstructure sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/14—Dashboards as superstructure sub-units
- B62D25/145—Dashboards as superstructure sub-units having a crossbeam incorporated therein
Definitions
- the present invention relates to the field of motor vehicles and especially the frontal part of motor vehicles.
- front part there is understood the front structure comprising a transverse partition known as a “firewall”, separating the passenger compartment of a motor vehicle from the engine compartment, a dashboard crossbeam situated below the windshield, a dashboard, a lower window crossbeam extending substantially parallel to the dashboard crossbeam, in order in particular to reinforce the dashboard crossbeam, as well as a heating partition joined to the transverse partition.
- a transverse partition known as a “firewall”
- the transverse partition In order to reinforce the transverse partition, it is known to provide an upper firewall crossbeam, making it possible to protect the braking system or servo brake in the event of a head-on collision. In fact, the servo brake is generally situated in the upper part of the transverse partition. Furthermore, it is known to provide systems for fixation of windshield wiper crank pins.
- the firewall crossbeam is constituted by an assembly of parts joined together by welding.
- Document FR 2921886 which describes a central firewall crossbeam, proposes a single firewall crossbeam in order to reduce the number of parts as well as the welding steps.
- the purpose of the present invention is therefore to remedy these disadvantages.
- One objective of the invention is therefore to provide a motor vehicle comprising an upper firewall crossbeam making it possible simultaneously to assure protection of the braking system, evacuation of water under the window crossbeam, as well as fixation of windshield wiper crank pins without creating transverse overcrowding or overweight, all while being simple to use and inexpensive.
- the object of the invention is a motor vehicle comprising a motor vehicle body bounded by two body sides and a vehicle floor, a wall fixed laterally to the body sides and transversely to the vehicle floor, and intended to separate the passenger compartment of the vehicle from an engine compartment, and an upper firewall crossbeam having a transverse section opening toward the passenger compartment of the vehicle and closed by the wall.
- the upper firewall crossbeam is omega-shaped comprising a first portion intended to be fixed to the wall and a second portion intended to be fixed to the wall.
- the first and second portions are, for example, joined by swaged portions.
- the upper crossbeam comprises orifices capable of cooperating with means for fixation of windshield wiper crank pins.
- the specific shape of the upper firewall crossbeam makes it possible to make the upper part of the wall rigid in the event of a head-on collision of the motor vehicle with an external element, and in particular makes it possible to retain an element such as a braking system or servo brake, generally situated in the upper part of the wall, in the event of a head-on collision between the motor vehicle and an external element and thus to limit its intrusion into the passenger compartment of the vehicle.
- the windshield wipers are directly fixed on the upper firewall crossbeam without addition of supplementary parts.
- the upper firewall crossbeam conforms with the shape of the wall.
- the first portion is extended toward the engine compartment of the vehicle by a first swaged portion.
- the first portion may be inclined relative to a longitudinal axis of the vehicle.
- the first portion is extended toward the engine compartment of the vehicle by a first swaged portion, inclined relative to a longitudinal axis of the vehicle.
- first swaged portion inclined relative to a longitudinal axis of the vehicle.
- the first and second portions respectively of the upper crossbeam are fixed sealingly to the wall by spot welds.
- such a crossbeam requires only two lines of spot welds and two lines of sealing means, such as putty, for example, which makes it possible to reduce the cost and duration of assembly.
- the wall comprises a transverse partition intended to be fixed to the vehicle floor and a heating partition intended to be fixed to the transverse partition.
- the upper firewall crossbeam is intended to be fixed by a first portion to the heating partition and by a second portion to the transverse partition.
- the specific shape of the upper firewall crossbeam makes it possible more particularly to make the upper part of the wall or transverse partition, known as “firewall”, rigid in the event of a head-on collision of the motor vehicle with an external element.
- the transverse section of the upper firewall crossbeam opening toward the passenger compartment of the vehicle is intended, for example, to be closed by the heating partition or by the transverse partition.
- the upper crossbeam may be made of swaged sheet metal or by any other constructional method, such as profiling, for example.
- FIG. 1 schematically represents a frontal part of a motor vehicle according to the invention
- FIG. 2 illustrates a detail of the upper firewall crossbeam according to FIG. 1 ;
- FIG. 3 illustrates a transverse section of FIG. 2 ;
- FIGS. 4 and 5 illustrate variants of FIG. 3 .
- a frontal part of a motor vehicle denoted by 1 on the whole, comprises a body bounded by two body sides 2 a , 2 b and a vehicle floor, one part 3 of which is represented in FIG. 1 .
- the body defines an interior 1 a and an exterior of vehicle 1 .
- the interior 1 a of vehicle 1 represents the passenger compartment of vehicle 1 .
- the front structure of motor vehicle 1 comprises a wall 4 separating passenger compartment 1 a of motor vehicle 1 from an engine compartment 1 b , a dashboard crossbeam (not represented) situated underneath the windshield (not represented) and a lower window crossbeam 5 , extending substantially parallel to the dashboard crossbeam.
- wall 4 comprises a transverse partition 6 known as “firewall”, disposed behind engine compartment 1 b , and a heating partition 7 joined to transverse partition 6 .
- Transverse partition 6 is disposed in motor vehicle 1 transversely along axis Y, between body sides 2 a , 2 b , and horizontally between floor 3 and heating partition 7 .
- heating partition 7 comprises a first portion 7 a , inclined relative to vertical axis Z, intended to be fixed to lower window crossbeam 5 and extending toward transverse partition 6 by a second portion 7 b , inclined relative to first portion 7 a .
- Second portion 7 b is extended toward engine compartment 1 b of vehicle 1 by a substantially horizontal portion 7 c then by a fourth substantially vertical portion 7 d for fixation to transverse partition 6 .
- first and second portions 7 a , 7 b may be substantially vertical and substantially horizontal portion 7 c may be inclined relative to longitudinal axis X.
- motor vehicle 1 comprises an upper firewall crossbeam 8 .
- Upper firewall crossbeam 8 makes it possible to make upper part 6 a of transverse partition 6 rigid and to prevent intrusion of braking system 9 , or servo brake, in the event of head-on collision between motor vehicle 1 and an external element (not represented).
- braking system 9 or servo brake
- servo brake 9 illustrated by dashed lines in FIG. 3 , is generally situated in upper part 6 a of transverse partition 6 .
- Upper firewall crossbeam 8 made, for example, of swaged sheet metal, is disposed in motor vehicle 1 transversely along axis Y, between body sides 2 a , 2 b.
- Upper firewall crossbeam 8 comprises a first portion 8 a intended to be fixed on first portion 7 a of heating partition 7 .
- first portion 8 a is inclined relative to vertical axis Z.
- Upper firewall crossbeam 8 comprises a second substantially vertical portion 8 b intended to be fixed to transverse partition 6 .
- First portion 8 a of upper crossbeam 8 conforms to the shape of first portion 7 a of heating partition 7 .
- First and second portions 8 a , 8 b are joined by swaged portions 8 c , 8 d , 8 e , 8 f .
- First portion 8 a is extended toward the front of motor vehicle 1 by a first swaged portion 8 c , inclined relative to longitudinal axis X by an angle a, for example of 8°.
- First swaged portion 8 c is extended toward the front of the vehicle, especially toward engine compartment 1 b , by a second swaged portion 8 d , for example, inclined relative to first swaged portion 8 c and extended in turn by a third substantially vertical swaged portion 8 e , then by a fourth substantially horizontal swaged portion 8 f.
- upper firewall crossbeam 8 has a transverse section opening toward passenger compartment 1 a of vehicle 1 and closed by heating partition 7 .
- First and second portions 8 a , 8 b of upper firewall crossbeam 8 are respectively fixed sealingly by sealing means 10 a , 10 b to heating partition 7 and to transverse partition 6 and by spot welds 11 , such as illustrated in FIG. 2 .
- crossbeam reinforcement 12 is disposed between upper firewall crossbeam 8 and heating partition 7 .
- Crossbeam reinforcement 12 comprises swaged portions 12 a , 12 b , 12 c , 12 d respectively conforming to the shape of swaged portions 8 c , 8 d , 8 e and 8 f of upper firewall crossbeam 8 .
- Fourth swaged portion 12 d of crossbeam reinforcement 12 is in contact with substantially horizontal portion 7 c of heating partition 7 .
- Crossbeam reinforcement 12 welded to upper firewall crossbeam 8 , also has a transverse section opening toward passenger compartment 1 a of vehicle 1 and closed by heating partition 7 .
- upper firewall crossbeam 8 comprises orifices 13 capable of cooperating with means for fixation of windshield wiper crank pins (not represented).
- FIGS. 4 and 5 differ from the embodiment illustrated in FIGS. 2 and 3 only by the structure of separating wall 4 between passenger compartment 1 a and engine compartment 1 b of vehicle 1 .
- upper part 6 a of transverse partition 6 is prolonged toward heating partition 7 by a second part 6 b substantially inclined relative to upper part 6 a.
- transverse section of upper firewall crossbeam 8 opening toward passenger compartment 1 a of vehicle 1 , is closed by transverse partition 6 , and in particular by second part 6 b.
- a reinforcement (not represented in this figure) could also be welded to upper firewall crossbeam 8 in a manner identical to that of the embodiment of FIG. 3 .
- separating wall 4 is formed by a single metal sheet forming heating partition 7 and transverse partition 6 .
- the transverse section of upper firewall crossbeam 8 opening toward passenger compartment 1 a of vehicle 1 , is closed by separating wall 4 .
- a reinforcement (not represented in this figure) could also be welded to upper firewall crossbeam 8 in a manner identical to that of the embodiment of FIG. 3 .
- the motor vehicle comprises an upper firewall crossbeam making it possible simultaneously to assure protection of the braking system, evacuation of water under the window crossbeam and fixation of windshield wiper crank pins, thus reducing the number of parts to be assembled.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
-
- a longitudinal axis X, horizontal and directed from the rear to the front of the vehicle;
- a transverse axis Y, horizontal, perpendicular to axis X and directed from left to right of the vehicle moving in forward direction;
- an axis Z, orthogonal to axes X and Y and vertical.
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1161094A FR2983450B1 (en) | 2011-12-02 | 2011-12-02 | MOTOR VEHICLE COMPRISING A TOP TRAVERSE OF AN APRON |
FR1161094 | 2011-12-02 | ||
PCT/EP2012/074016 WO2013079627A1 (en) | 2011-12-02 | 2012-11-30 | Motor vehicle including an upper firewall crossbeam |
Publications (2)
Publication Number | Publication Date |
---|---|
US20140354011A1 US20140354011A1 (en) | 2014-12-04 |
US9216770B2 true US9216770B2 (en) | 2015-12-22 |
Family
ID=47278828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/362,012 Expired - Fee Related US9216770B2 (en) | 2011-12-02 | 2012-11-30 | Motor vehicle including an upper firewall crossbeam |
Country Status (6)
Country | Link |
---|---|
US (1) | US9216770B2 (en) |
EP (1) | EP2785576B1 (en) |
JP (1) | JP6022598B2 (en) |
CN (1) | CN104024092B (en) |
FR (1) | FR2983450B1 (en) |
WO (1) | WO2013079627A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160272252A1 (en) * | 2015-03-17 | 2016-09-22 | Hyundai Motor Company | Front vehicle body reinforcing structure and assembling method thereof |
US20170136849A1 (en) * | 2015-11-12 | 2017-05-18 | GM Global Technology Operations LLC | Water tank cover for a motor vehicle |
US20170203704A1 (en) * | 2014-05-20 | 2017-07-20 | Renault S.A.S | Scoop for a water container built into the dividing wall |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2955083B1 (en) * | 2014-06-11 | 2016-11-23 | FCA Italy S.p.A. | Motor vehicle body provided with a structure for receiving and draining water |
KR20210061529A (en) * | 2019-11-20 | 2021-05-28 | 현대자동차주식회사 | Roof carrier for vehicle |
EP3936416B1 (en) | 2020-07-10 | 2024-06-19 | Volvo Truck Corporation | Motor vehicle comprising a cab body firewall with a lower cross beam and an upper cross beam |
Citations (25)
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US4466654A (en) * | 1979-11-19 | 1984-08-21 | Nissan Motor Company, Limited | Automotive vehicle cowl construction |
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DE4422498C1 (en) | 1994-06-28 | 1995-10-19 | Porsche Ag | Body structure of a passenger car |
US6193305B1 (en) * | 1998-07-24 | 2001-02-27 | Honda Giken Kogyo Kabushiki Kaisha | Windshield supporting structure |
US6193304B1 (en) * | 1998-05-12 | 2001-02-27 | Honda Giken Kogyo Kabushiki Kaisha | Windshield supporting structure |
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FR2900122A1 (en) | 2006-04-21 | 2007-10-26 | Valeo Systemes Dessuyage | Windscreen cleaning and wiping monoblock module for motor vehicle, has hollow body realized in single part by molding with crossbeam and formed of plastic material, and ribs extending under inner side of crossbeam, in concavity of portions |
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KR20110054941A (en) * | 2009-11-19 | 2011-05-25 | 현대자동차주식회사 | Frame mounting structure of the engine room around |
-
2011
- 2011-12-02 FR FR1161094A patent/FR2983450B1/en not_active Expired - Fee Related
-
2012
- 2012-11-30 EP EP12794956.8A patent/EP2785576B1/en active Active
- 2012-11-30 US US14/362,012 patent/US9216770B2/en not_active Expired - Fee Related
- 2012-11-30 JP JP2014543900A patent/JP6022598B2/en not_active Expired - Fee Related
- 2012-11-30 WO PCT/EP2012/074016 patent/WO2013079627A1/en active Application Filing
- 2012-11-30 CN CN201280064364.5A patent/CN104024092B/en not_active Expired - Fee Related
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US4466654A (en) * | 1979-11-19 | 1984-08-21 | Nissan Motor Company, Limited | Automotive vehicle cowl construction |
US4470341A (en) * | 1982-03-23 | 1984-09-11 | Toyota Jidosha Kabushiki Kaisha | Air intake device for a compartment of automotive vehicle |
US4750780A (en) * | 1985-04-23 | 1988-06-14 | Mazda Motor Corporation | Dash panel configuration for a motor vehicle front body structure |
US4767153A (en) * | 1986-01-09 | 1988-08-30 | Nissan Motor Co., Ltd. | Safety structure of vehicle body adjacent instrument panel |
US4753475A (en) * | 1986-06-16 | 1988-06-28 | Mazda Motor Corporation | Arrangements for restraining hoods of vehicle bodies |
US4869546A (en) * | 1987-05-08 | 1989-09-26 | Suzuki Motor Company Limited | Cowl structure for use in an automobile body |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170203704A1 (en) * | 2014-05-20 | 2017-07-20 | Renault S.A.S | Scoop for a water container built into the dividing wall |
US10000166B2 (en) * | 2014-05-20 | 2018-06-19 | Renault S.A.S. | Scoop for a water container built into the dividing wall |
US20160272252A1 (en) * | 2015-03-17 | 2016-09-22 | Hyundai Motor Company | Front vehicle body reinforcing structure and assembling method thereof |
US9776670B2 (en) * | 2015-03-17 | 2017-10-03 | Hyundai Motor Company | Front vehicle body reinforcing structure and assembling method thereof |
US20170136849A1 (en) * | 2015-11-12 | 2017-05-18 | GM Global Technology Operations LLC | Water tank cover for a motor vehicle |
Also Published As
Publication number | Publication date |
---|---|
CN104024092A (en) | 2014-09-03 |
JP6022598B2 (en) | 2016-11-09 |
WO2013079627A1 (en) | 2013-06-06 |
JP2015500163A (en) | 2015-01-05 |
EP2785576A1 (en) | 2014-10-08 |
FR2983450B1 (en) | 2014-05-16 |
US20140354011A1 (en) | 2014-12-04 |
EP2785576B1 (en) | 2016-02-03 |
FR2983450A1 (en) | 2013-06-07 |
CN104024092B (en) | 2016-10-05 |
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